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RS232 TO RS485 User Manual

Introduction

This is a RS232 vs RS485 asynchronous bidirectional convertor, which features electromagnet
isolation. The internal TVS bidirectional transient suppression diode and detonator to protect the
device from unstable working.
Revision: V1.0, Date:20200620
RS232 TO RS485
User Manual
1

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Summary of Contents for Waveshare RS232 TO RS485

  • Page 1: Introduction

    RS232 TO RS485 User Manual RS232 TO RS485 User Manual Introduction This is a RS232 vs RS485 asynchronous bidirectional convertor, which features electromagnet isolation. The internal TVS bidirectional transient suppression diode and detonator to protect the device from unstable working.
  • Page 2: Table Of Contents

    RS232 TO RS485 User Manual Content Introduction............................... 1 Content..............................2 About product............................3 Features............................3 Specification..........................3 Interfaces............................5 Pinout of Interfaces........................5 Indicators............................6 Dimensions............................7 Hardware testing............................8 Preparation..........................8 Hardware connection......................8 Revision: V1.0, Date:20200620...
  • Page 3: About Product

    3 LESs for indicating the power and transceiver status.  Aluminium alloy enclosure the with sand blasting and anodic oxidation, solid and durable.  Specification Product type: Electromagnetic isolation RS232 to RS485 asynchronous bidirectional convertor  Baud rate: 300~115200bps  Device interface: standard RS232/RS485 ...
  • Page 4 RS232 TO RS485 User Manual PWR : Power indicator, turns red when power supply is connected  TXD: Transmit indicator, turns green when data is transmitted from RS232 port.  RXD: Receive indictor, turns blue when data is received by RS232 port ...
  • Page 5: Interfaces

    RS232 TO RS485 User Manual Interfaces Pinout of Interfaces Revision: V1.0, Date:20200620...
  • Page 6: Indicators

    RS232 TO RS485 User Manual Indicators Revision: V1.0, Date:20200620...
  • Page 7: Dimensions

    RS232 TO RS485 User Manual Dimensions Revision: V1.0, Date:20200620...
  • Page 8: Hardware Testing

    Connect the RS232 port of RS232 TO RS485 to PC by extend cable or USB to RS232 cable. Connect the RS485 port of RS232 TO RS485 to the ES485 port of USB TO RS485. Connect the USB port of USB TO RS485 to PC for loopback testing as figure below.
  • Page 9 RS232 TO RS485 User Manual Open two SSCOM software on host PC. Select the correct serial port and set their baud rate to the same, check the SendEvery option. Then you can test if the devices can transmit and receive normally.

Table of Contents